B25D 9/14
Control devices for the reciprocating piston
B25D9/14 (Control devices for the reciprocating piston) appears on 452 US grants and 237 published applications in this corpus.
Search patents in B25D- Granted patents
- 452
- Published applications
- 237
- Assignees
- 191
- Inventors
- 583
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 13 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 14 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 15 | 0 |
| 1988 | 6 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 4 |
| 2003 | 3 | 6 |
| 2004 | 6 | 4 |
| 2005 | 4 | 7 |
| 2006 | 7 | 9 |
| 2007 | 5 | 13 |
| 2008 | 8 | 5 |
| 2009 | 5 | 19 |
| 2010 | 9 | 8 |
| 2011 | 9 | 11 |
| 2012 | 12 | 5 |
| 2013 | 3 | 5 |
| 2014 | 9 | 13 |
| 2015 | 8 | 15 |
| 2016 | 11 | 26 |
| 2017 | 16 | 20 |
| 2018 | 18 | 6 |
| 2019 | 10 | 11 |
| 2020 | 10 | 11 |
| 2021 | 11 | 7 |
| 2022 | 6 | 8 |
| 2023 | 9 | 8 |
| 2024 | 10 | 4 |
| 2025 | 9 | 8 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic impact mechanism for use in equipment for processing rock and concrete16 Jun 2026US 12,655,687 B2T-Rig Limited
- Arrangement and method for heating hydraulic impact device25 Nov 2025US 12,480,364 B2Sandvik Mining and Construction Oy
- Trigger valves for pressurized fluid operated devices7 Oct 2025US 12,434,366 B2Globalforce IP Limited
- Handheld piledriving apparatus7 Oct 2025US 12,434,368 B2
- Valve cylinder, impact device and method2 Sep 2025US 12,404,725 B2Sandvik Mining and Construction Oy
- Electric needle scaler14 May 2026US 2026/0131362 A1Makita Corporation
- Hydraulic Hammering Device7 May 2026US 2026/0125951 A1Furukawa Rock Drill Co., Ltd.
- Surgical instrument4 Dec 2025US 2025/0367005 A1Endocon, Inc.
- Handheld piledriving apparatus24 Jul 2025US 2025/0236002 A1
- Pneumatically operated percussive tool3 Jul 2025US 2025/0214217 A1G. A. W. Inc.
Most cited
By later US patents
- Striking tool for surgical instruments98US 5,108,400 AAesculap AG · 1992
- Surgical instrument for mechanical removal of bone cement, and process for production of shock waves63US 6,264,660 B1Ferton Holding S.A. · 2001
- Percussion tool52US 4,909,419 AMax Co., Ltd. · 1990
- Pneumatically driven reverse impact device46US 5,163,519 AFlorida Pneumatic Manufacturing Corporation · 1992
- Filter for a pneumatic tool45US 5,259,465 AMakita Electric Works, Ltd. · 1993